Introduction it has only been in the last few years that many digitization projects have taken a serious approach to digital preservation. In that time CD-R has quickly become the most common media for preserving digital images, with more recently a move towards DVD-R due to the additional space that it offers. The popularity of both these media is largely due to their ease of use and low cost. However during this time, there has been a steady flow of worrying reports of 'lost data' or 'unreadable[...]

Introduction it has only been in the last few years that many digitization projects have taken a serious approach to digital preservation. In that time CD-R has quickly become the most common media for preserving digital images, with more recently a move towards DVD-R due to the additional space that it offers. The popularity of both these media is largely due to their ease of use and low cost. However during this time, there has been a steady flow of worrying reports of 'lost data' or 'unreadable[...]